Resend CLI Installation Before running any commands, check whether the CLI is installed: If the command is not found, install it using one of the methods below. Prefer a package manager when available: Node.js: Homebrew (macOS / Linux): Other install methods (installer scripts for macOS, Linux, and Windows) are documented at resend.com/docs/cli. After installing, verify: Agent Protocol The CLI auto-detects non-TTY environments and outputs JSON — no flag needed. Rules for agents: - Supply ALL required flags. The CLI will NOT prompt when stdin is not a TTY. - Pass (or ) to suppress spinners and…